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Finding the Fourth Proportional to 2,993,167.80, 4,489,751.70 and 2,827,830.60

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Solution

The fourth proportional to 2,993,167.80, 4,489,751.70 and 2,827,830.60 is: 4,241,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,167.80 : 4,489,751.70 = 2,827,830.60 : x
  2. Step 2: Convert to fraction form
    2,993,167.80/4,489,751.70 = 2,827,830.60/x
  3. Step 3: Cross multiply
    2,993,167.80x = 4,489,751.70 × 2,827,830.60
  4. Step 4: Simplify right side
    2,993,167.80x = 12,696,257,243,662.02
  5. Step 5: Solve for x
    x = 12,696,257,243,662.02/2,993,167.80
  6. Step 6: Final answer
    x = 4,241,745.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.